Shanghai Zhongding Valve Making Co.,Ltd. is a comprehensive enterprise integrating the professional design , production and sales of valves . Its valve manufacture has always complied with relevant standards like GB, API and DIN. The main valve products include gate valve, stop valve, check valve, butterfly valve, hydraulic control valve, ball valve, mud valve and various special valves. The drive modes include: manual, electric, pneumatic, hydraulic, gear and pneumatic-hydraulic actuators. Its products are widely used in those industries like food, petroleum, chemical engineering, metallurgy, mine, urban planning and environmental protection. The company carries out the flow control strictly in accordance with ISO9001-2000 international quality management system. Its sales network stretches to over 30 provinces and municipalities including Beijing , Shenyang , Wuhan and Changsha. Its products are also exported to many countries and regions . The company has always adhered to building up Zhongding brand ,upheld the purpose of "Quality First & User Uppermost". We warmly welcome all old and new customers to visit and talk.